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Important; Care And Maintenance; Installation And Use - Montarbo MX20 Manual Del Usuario

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IMPORTANT!

CARE AND MAINTENANCE

• This product has been designed for use in tropical climates and
particularly warm weather conditions.
• Never place burning candles or other sources of open flame on
top of the device.
• Never expose the mixer to heat sources such as radiators or other
products that produce heat.
• Never expose the mixer to direct sunlight, excessive vibrations or
mechanical shocks.
• Avoid operating and storing the mixer in damp or dusty places:
this will avoid malfunctions and premature degrading of
specifications.
• When setting up the mixer up outdoors, be sure to protect it
against rain.
• Avoid using the mixer close to strong sources of electromagnetic
interferences (e.g. video monitors, high power electrical cabling).
This may lead to degradation of audio quality.
• Take care of the connectors cables, always coil them avoiding
knots and twists.
• Care should be taken so that objects do not fall and liquids are
not spilled into the mixer. In public event don't let people, musicians,
technicians or anyone put glasses, cups, ashtrays and cigarettes on
the mixer.
• Never apply excessive force to the controls (knobs, sliders,
pushbuttons).
• Use a soft brush or a jet of air to clean the panel.
Do not use alcohol, solvents or detergents.
• If service is needed, refer to qualified service personnel only or
to the Montarbo distributor in your country.
18
ENGLISH

INSTALLATION AND USE

◗ When connecting the mixer to the mains supply: • check that
mains voltage corresponds to the voltage indicated on the panel;
• use the 3-wire power cord supplied; • always connect it to a
grounded outlet.
◗ Always use quality cables and connectors.
◗ Use shielded cables for your connections to the micro and line
inputs, to the send/return sockets, to the master and monitor
outputs, to the tape in/out and mono outputs.
◗ Before switching on or off the mixer, 'close' (set to minimum the
outputs faders) the master outputs. This will avoid switching noises
that may cause damages to loudspeakers.
PRELIMINARY CONNECTIONS AND SETTINGS
◗ Connect the speaker enclosures, the microphones, the
instruments.
◗ Before turning on the mixer, set the channel volume faders and the
master volume faders to their lowest settings.
◗ Switch on the unit and turn the gain controls to their lowest
settings, the tone controls and panpots to the middle position, and
the auxiliary and effect sends anti-clockwise to their lowest settings.
◗ To optimize dynamics of each channel according to the
various signal sources, proceed as follows: • using a microphone
(connected to the XLR mic input) in conditions typical of the
intended use, set the GAIN control so as to cause the Peak LED to
illuminate; • now reduce the GAIN just enough until the peak LED
switches off and adjust the volume. ◗ The channel's peak LED is
affected only by the GAIN control and the TONE controls.
Note: Repeat the above procedure for all the channels, one at a time,
using the signal source assigned to that channel and simulating real
operating conditions as closely as possible.
◗ Set the volume faders of the L/R master outputs and of the internal
effects near to the "0" setting and the aux volume control to the
middle position, and now adjust the volume (8) of each channel
according to your requirements .

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